[R.O. 2013 § 300.140]
No person having in his/her or its business or receiving in connection with his/her or its possession, or otherwise, any number or license plates for vehicles or trailers not properly displayed upon the vehicle or trailer for which issued and not called for by the owner to whom issued within five (5) days, shall fail immediately after said five-day period to notify the traffic and safety division of the Police Department of such fact and surrender said number of license plates to any Police Officer demanding same.
[R.O. 2013 § 300.170]
A. 
In addition to having the proper registration displayed as required by law, no person shall operate a commercial motor vehicle in this City without displaying in a conspicuous place on both sides thereof in letters at least three (3) inches in height and in a contrasting color to the background:
1. 
The name of the owner.
2. 
The address from which such motor vehicle is operated.
3. 
The gross weight for which said vehicle is licensed.
4. 
Local commercial vehicles, in addition, shall display in a conspicuous place the word "local."